code: def test_base_path():
      fmt = long_form_one_format("dir/prefix_/ipynb")
      assert base_path("dir/prefix_NAME.ipynb", fmt) == "NAME"
      with pytest.raises(InconsistentPath):
          base_path("dir/incorrect_prefix_NAME.ipynb", fmt)
  
imports: import os
  import unittest.mock
  import pytest
  import jupytext
  from jupytext.cli import jupytext
  from jupytext.compare import compare
  from jupytext.contentsmanager import TextFileContentsManager
  from jupytext.formats import long_form_multiple_formats, long_form_one_format, short_form_multiple_formats
  from jupytext.paired_paths import InconsistentPath, base_path, full_path, paired_paths
label_desc: Use image node_id 2 for calling a global function with example usage: test_base_path() without return types